某大跨暗挖车站局部坍塌事故原因分析

于明华

doi:10.3973/j.issn.1672-741X.2012.z2.024

隧道建设 >

2012 , Vol. 32 >Issue 增刊2: 123 - 127

DOI: https://doi.org/10.3973/j.issn.1672-741X.2012.z2.024

施工技术

某大跨暗挖车站局部坍塌事故原因分析

于明华

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(中铁隧道集团有限公司，四川成都 610066 )

于明华（1964—），男，四川仪陇人，1987年毕业于西南交通大学隧道及地下铁道专业，本科,教授级高级工程师，从事隧道及地铁施工工作。

收稿日期: 2012-09-17

修回日期: 2012-11-05

网络出版日期: 2013-02-19

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Study on Causes of Partial Collapse During Mined Large Span  Jiangbeicheng Station Construction

YU Minghua

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(China Railway Tunnel Group Co., Ltd., Chengdu 610066, Sichuan, China)

Received date: 2012-09-17

Revised date: 2012-11-05

Online published: 2013-02-19

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摘要

重庆市轨道交通六号线一期江北城车站为跨暗挖车站，在施工过程中车站大跨暗挖隧道段发生局部坍塌，虽然没有人员伤亡，但坍方规模大，经济损失达9 190 337元。文章首先介绍了车站的施工方法工艺，对事故原因从直接原因和间接原因方面进行了分析和探究,并提出了防止类似事故发生的技术措施，供类似工程参考借鉴。

关键词： 轨道交通; 大跨暗挖车站; 坍塌

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于明华 . 某大跨暗挖车站局部坍塌事故原因分析[J]. 隧道建设, 2012 , 32(增刊2) : 123 -127 . DOI: 10.3973/j.issn.1672-741X.2012.z2.024

Abstract

Jiangbeicheng station is a mined large span station on No.6 line of Chongqing rail transit system. There is 9 190 337 Yuan economic losses caused by the big collapse happened during the construction of this station, though no casualty is leaded. In this paper, the construction method for Jiangbeicheng station is introduced first. And then the direct and indirect causes of the collapse are analyzed and the prevention measures are proposed for the similar construction condition.

Key words： rail transit system; mined large span station; collapse

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